CXUS51 KPHI 020854 CLAABE CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 354 AM EST TUE JAN 02 2024 ................................... ...THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1922 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 105 07/03/1966 LOW -15 01/21/1994 HIGHEST 96 06/02 MM MM 95 07/23 07/24 08/09 LOWEST 4 02/04 MM MM 1 02/15 AVG. MAXIMUM 64.0 63.3 0.7 62.9 AVG. MINIMUM 43.2 42.8 0.4 41.4 MEAN 53.6 53.1 0.5 52.2 DAYS MAX >= 90 10 18.2 -8.2 21 DAYS MAX <= 32 3 22.0 -19.0 24 DAYS MIN <= 32 105 118.1 -13.1 128 DAYS MIN <= 0 0 1.2 -1.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 71.72 2011 MINIMUM 29.82 1980 TOTALS 46.38 47.36 -0.98 46.47 DAILY AVG. 0.13 0.13 0.00 0.13 DAYS >= .01 116 129.1 -13.1 118 DAYS >= .10 78 81.5 -3.5 83 DAYS >= .50 30 31.3 -1.3 28 DAYS >= 1.00 15 12.3 2.7 14 GREATEST 24 HR. TOTAL 3.27 12/17 TO 12/18 2.57 08/21 TO 08/22 STORM TOTAL 3.27 2.56 (MM/DD(HH)) MM SNOWFALL (INCHES) RECORDS TOTAL 74.4 1994 24 HR TOTAL 31.9 01/22/2016 TO 01/23/2016 SNOW DEPTH 28 01/24/2016 TOTALS 4.9 33.1 -28.2 20.9 LIQUID EQUIV 0.50 3.30 -2.80 2.10 SINCE 7/1 T 5.7 -5.7 MM LIQUID 7/1 -0.10 0.50 -0.60 MM SNOWDEPTH AVG. 0 -1 DAYS >= TRACE 25 15.7 9.3 27 DAYS >= 1.0 3 8.1 -5.1 7 GREATEST SNOW DEPTH 2 02/28 5 02/13 02/14 24 HR TOTAL 2.2 5.1 02/13 TO 02/13 STORM TOTAL 2.2 5.1 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 4812 5293 -481 5545 SINCE 7/1 1877 1970 -93 MM COOLING TOTAL 790 981 -191 986 SINCE 1/1 790 981 -191 MM FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST 11/01 LATEST 05/18 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.5 RESULTANT WIND SPEED/DIRECTION 2/300 HIGHEST WIND SPEED/DIRECTION 40/220 DATE 08/07 HIGHEST GUST SPEED/DIRECTION 54/230 DATE 08/07 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 NUMBER OF DAYS FAIR 167 NUMBER OF DAYS PC 124 NUMBER OF DAYS CLOUDY 74 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 34 MIXED PRECIP 0 HEAVY RAIN 50 RAIN 71 LIGHT RAIN 155 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 1 SNOW 2 LIGHT SNOW 21 SLEET 10 FOG 155 FOG W/VIS <= 1/4 MILE 19 HAZE 32 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$